<!doctype html>
<html>
<head>
  <script src="/node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>
  <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
  <title>LitElement Example</title>
</head>
  <body>
    <my-element></my-element>
  </body>
</html>
